Home / 346,918.16-478,740.84-196,011.92

Finding the Fourth Proportional to 346,918.16, 478,740.84 and 196,011.92

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Solution

The fourth proportional to 346,918.16, 478,740.84 and 196,011.92 is: 270,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,918.16 : 478,740.84 = 196,011.92 : x
  2. Step 2: Convert to fraction form
    346,918.16/478,740.84 = 196,011.92/x
  3. Step 3: Cross multiply
    346,918.16x = 478,740.84 × 196,011.92
  4. Step 4: Simplify right side
    346,918.16x = 93,838,911,230.81
  5. Step 5: Solve for x
    x = 93,838,911,230.81/346,918.16
  6. Step 6: Final answer
    x = 270,492.93

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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.