Home / 157,018.71-235,528.19-38,690.06

Finding the Fourth Proportional to 157,018.71, 235,528.19 and 38,690.06

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Solution

The fourth proportional to 157,018.71, 235,528.19 and 38,690.06 is: 58,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,018.71 : 235,528.19 = 38,690.06 : x
  2. Step 2: Convert to fraction form
    157,018.71/235,528.19 = 38,690.06/x
  3. Step 3: Cross multiply
    157,018.71x = 235,528.19 × 38,690.06
  4. Step 4: Simplify right side
    157,018.71x = 9,112,599,802.79
  5. Step 5: Solve for x
    x = 9,112,599,802.79/157,018.71
  6. Step 6: Final answer
    x = 58,035.12

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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.