Home / 156,788.16-235,182.24-51,637.20

Finding the Fourth Proportional to 156,788.16, 235,182.24 and 51,637.20

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Solution

The fourth proportional to 156,788.16, 235,182.24 and 51,637.20 is: 77,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.16 : 235,182.24 = 51,637.20 : x
  2. Step 2: Convert to fraction form
    156,788.16/235,182.24 = 51,637.20/x
  3. Step 3: Cross multiply
    156,788.16x = 235,182.24 × 51,637.20
  4. Step 4: Simplify right side
    156,788.16x = 12,144,152,363.33
  5. Step 5: Solve for x
    x = 12,144,152,363.33/156,788.16
  6. Step 6: Final answer
    x = 77,455.80

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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.