Home / 515,066.20-772,526.40-160,116.10

Finding the Fourth Proportional to 515,066.20, 772,526.40 and 160,116.10

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Solution

The fourth proportional to 515,066.20, 772,526.40 and 160,116.10 is: 240,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,066.20 : 772,526.40 = 160,116.10 : x
  2. Step 2: Convert to fraction form
    515,066.20/772,526.40 = 160,116.10/x
  3. Step 3: Cross multiply
    515,066.20x = 772,526.40 × 160,116.10
  4. Step 4: Simplify right side
    515,066.20x = 123,693,914,315.04
  5. Step 5: Solve for x
    x = 123,693,914,315.04/515,066.20
  6. Step 6: Final answer
    x = 240,151.49

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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.