Home / 157,443.90-235,020.23-137,514.86

Finding the Fourth Proportional to 157,443.90, 235,020.23 and 137,514.86

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Solution

The fourth proportional to 157,443.90, 235,020.23 and 137,514.86 is: 205,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,443.90 : 235,020.23 = 137,514.86 : x
  2. Step 2: Convert to fraction form
    157,443.90/235,020.23 = 137,514.86/x
  3. Step 3: Cross multiply
    157,443.90x = 235,020.23 × 137,514.86
  4. Step 4: Simplify right side
    157,443.90x = 32,318,775,655.46
  5. Step 5: Solve for x
    x = 32,318,775,655.46/157,443.90
  6. Step 6: Final answer
    x = 205,271.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.