Home / 157,119.39-235,679.56-38,790.74

Finding the Fourth Proportional to 157,119.39, 235,679.56 and 38,790.74

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Solution

The fourth proportional to 157,119.39, 235,679.56 and 38,790.74 is: 58,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,119.39 : 235,679.56 = 38,790.74 : x
  2. Step 2: Convert to fraction form
    157,119.39/235,679.56 = 38,790.74/x
  3. Step 3: Cross multiply
    157,119.39x = 235,679.56 × 38,790.74
  4. Step 4: Simplify right side
    157,119.39x = 9,142,184,535.27
  5. Step 5: Solve for x
    x = 9,142,184,535.27/157,119.39
  6. Step 6: Final answer
    x = 58,186.23

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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.