Home / 121,594.02-167,876.79-83,417.58

Finding the Fourth Proportional to 121,594.02, 167,876.79 and 83,417.58

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Solution

The fourth proportional to 121,594.02, 167,876.79 and 83,417.58 is: 115,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,594.02 : 167,876.79 = 83,417.58 : x
  2. Step 2: Convert to fraction form
    121,594.02/167,876.79 = 83,417.58/x
  3. Step 3: Cross multiply
    121,594.02x = 167,876.79 × 83,417.58
  4. Step 4: Simplify right side
    121,594.02x = 14,003,875,559.97
  5. Step 5: Solve for x
    x = 14,003,875,559.97/121,594.02
  6. Step 6: Final answer
    x = 115,169.11

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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.