Home / 121,437.23-167,585.49-67,725.18

Finding the Fourth Proportional to 121,437.23, 167,585.49 and 67,725.18

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Solution

The fourth proportional to 121,437.23, 167,585.49 and 67,725.18 is: 93,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,437.23 : 167,585.49 = 67,725.18 : x
  2. Step 2: Convert to fraction form
    121,437.23/167,585.49 = 67,725.18/x
  3. Step 3: Cross multiply
    121,437.23x = 167,585.49 × 67,725.18
  4. Step 4: Simplify right side
    121,437.23x = 11,349,757,475.64
  5. Step 5: Solve for x
    x = 11,349,757,475.64/121,437.23
  6. Step 6: Final answer
    x = 93,461.93

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1.5x scale

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.