Home / 157,501.11-217,343.66-89,509.10

Finding the Fourth Proportional to 157,501.11, 217,343.66 and 89,509.10

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Solution

The fourth proportional to 157,501.11, 217,343.66 and 89,509.10 is: 123,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,501.11 : 217,343.66 = 89,509.10 : x
  2. Step 2: Convert to fraction form
    157,501.11/217,343.66 = 89,509.10/x
  3. Step 3: Cross multiply
    157,501.11x = 217,343.66 × 89,509.10
  4. Step 4: Simplify right side
    157,501.11x = 19,454,235,085.60
  5. Step 5: Solve for x
    x = 19,454,235,085.60/157,501.11
  6. Step 6: Final answer
    x = 123,518.08

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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.