Home / 284,618.18-392,762.14-163,798.28

Finding the Fourth Proportional to 284,618.18, 392,762.14 and 163,798.28

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Solution

The fourth proportional to 284,618.18, 392,762.14 and 163,798.28 is: 226,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,618.18 : 392,762.14 = 163,798.28 : x
  2. Step 2: Convert to fraction form
    284,618.18/392,762.14 = 163,798.28/x
  3. Step 3: Cross multiply
    284,618.18x = 392,762.14 × 163,798.28
  4. Step 4: Simplify right side
    284,618.18x = 64,333,762,981.12
  5. Step 5: Solve for x
    x = 64,333,762,981.12/284,618.18
  6. Step 6: Final answer
    x = 226,035.33

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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.