Home / 165,700.16-228,666.18-90,248.66

Finding the Fourth Proportional to 165,700.16, 228,666.18 and 90,248.66

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Solution

The fourth proportional to 165,700.16, 228,666.18 and 90,248.66 is: 124,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,700.16 : 228,666.18 = 90,248.66 : x
  2. Step 2: Convert to fraction form
    165,700.16/228,666.18 = 90,248.66/x
  3. Step 3: Cross multiply
    165,700.16x = 228,666.18 × 90,248.66
  4. Step 4: Simplify right side
    165,700.16x = 20,636,816,332.32
  5. Step 5: Solve for x
    x = 20,636,816,332.32/165,700.16
  6. Step 6: Final answer
    x = 124,543.13

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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.