Home / 157,565.40-236,520.90-98,467.80

Finding the Fourth Proportional to 157,565.40, 236,520.90 and 98,467.80

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Solution

The fourth proportional to 157,565.40, 236,520.90 and 98,467.80 is: 147,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,565.40 : 236,520.90 = 98,467.80 : x
  2. Step 2: Convert to fraction form
    157,565.40/236,520.90 = 98,467.80/x
  3. Step 3: Cross multiply
    157,565.40x = 236,520.90 × 98,467.80
  4. Step 4: Simplify right side
    157,565.40x = 23,289,692,677.02
  5. Step 5: Solve for x
    x = 23,289,692,677.02/157,565.40
  6. Step 6: Final answer
    x = 147,809.69

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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.