Home / 134,032.02-185,027.16-77,432.46

Finding the Fourth Proportional to 134,032.02, 185,027.16 and 77,432.46

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Solution

The fourth proportional to 134,032.02, 185,027.16 and 77,432.46 is: 106,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,032.02 : 185,027.16 = 77,432.46 : x
  2. Step 2: Convert to fraction form
    134,032.02/185,027.16 = 77,432.46/x
  3. Step 3: Cross multiply
    134,032.02x = 185,027.16 × 77,432.46
  4. Step 4: Simplify right side
    134,032.02x = 14,327,108,165.61
  5. Step 5: Solve for x
    x = 14,327,108,165.61/134,032.02
  6. Step 6: Final answer
    x = 106,893.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.