Home / 151,916.10-209,643.03-83,937.66

Finding the Fourth Proportional to 151,916.10, 209,643.03 and 83,937.66

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Solution

The fourth proportional to 151,916.10, 209,643.03 and 83,937.66 is: 115,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,916.10 : 209,643.03 = 83,937.66 : x
  2. Step 2: Convert to fraction form
    151,916.10/209,643.03 = 83,937.66/x
  3. Step 3: Cross multiply
    151,916.10x = 209,643.03 × 83,937.66
  4. Step 4: Simplify right side
    151,916.10x = 17,596,945,373.51
  5. Step 5: Solve for x
    x = 17,596,945,373.51/151,916.10
  6. Step 6: Final answer
    x = 115,833.31

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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.