Home / 156,726.90-235,111.95-56,862.90

Finding the Fourth Proportional to 156,726.90, 235,111.95 and 56,862.90

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Solution

The fourth proportional to 156,726.90, 235,111.95 and 56,862.90 is: 85,302.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,726.90 : 235,111.95 = 56,862.90 : x
  2. Step 2: Convert to fraction form
    156,726.90/235,111.95 = 56,862.90/x
  3. Step 3: Cross multiply
    156,726.90x = 235,111.95 × 56,862.90
  4. Step 4: Simplify right side
    156,726.90x = 13,369,147,301.66
  5. Step 5: Solve for x
    x = 13,369,147,301.66/156,726.90
  6. Step 6: Final answer
    x = 85,302.19

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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.