Home / 316,670.04-475,024.50-139,260.60

Finding the Fourth Proportional to 316,670.04, 475,024.50 and 139,260.60

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Solution

The fourth proportional to 316,670.04, 475,024.50 and 139,260.60 is: 208,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,670.04 : 475,024.50 = 139,260.60 : x
  2. Step 2: Convert to fraction form
    316,670.04/475,024.50 = 139,260.60/x
  3. Step 3: Cross multiply
    316,670.04x = 475,024.50 × 139,260.60
  4. Step 4: Simplify right side
    316,670.04x = 66,152,196,884.70
  5. Step 5: Solve for x
    x = 66,152,196,884.70/316,670.04
  6. Step 6: Final answer
    x = 208,899.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.