Home / 157,360.90-236,502.15-137,085.70

Finding the Fourth Proportional to 157,360.90, 236,502.15 and 137,085.70

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Solution

The fourth proportional to 157,360.90, 236,502.15 and 137,085.70 is: 206,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,360.90 : 236,502.15 = 137,085.70 : x
  2. Step 2: Convert to fraction form
    157,360.90/236,502.15 = 137,085.70/x
  3. Step 3: Cross multiply
    157,360.90x = 236,502.15 × 137,085.70
  4. Step 4: Simplify right side
    157,360.90x = 32,421,062,784.26
  5. Step 5: Solve for x
    x = 32,421,062,784.26/157,360.90
  6. Step 6: Final answer
    x = 206,029.98

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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.