Home / 121,027.02-181,152.33-64,726.35

Finding the Fourth Proportional to 121,027.02, 181,152.33 and 64,726.35

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Solution

The fourth proportional to 121,027.02, 181,152.33 and 64,726.35 is: 96,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,027.02 : 181,152.33 = 64,726.35 : x
  2. Step 2: Convert to fraction form
    121,027.02/181,152.33 = 64,726.35/x
  3. Step 3: Cross multiply
    121,027.02x = 181,152.33 × 64,726.35
  4. Step 4: Simplify right side
    121,027.02x = 11,725,329,114.90
  5. Step 5: Solve for x
    x = 11,725,329,114.90/121,027.02
  6. Step 6: Final answer
    x = 96,881.91

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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.