Home / 346,890.76-478,718.58-195,984.52

Finding the Fourth Proportional to 346,890.76, 478,718.58 and 195,984.52

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Solution

The fourth proportional to 346,890.76, 478,718.58 and 195,984.52 is: 270,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,890.76 : 478,718.58 = 195,984.52 : x
  2. Step 2: Convert to fraction form
    346,890.76/478,718.58 = 195,984.52/x
  3. Step 3: Cross multiply
    346,890.76x = 478,718.58 × 195,984.52
  4. Step 4: Simplify right side
    346,890.76x = 93,821,431,116.38
  5. Step 5: Solve for x
    x = 93,821,431,116.38/346,890.76
  6. Step 6: Final answer
    x = 270,463.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.