Home / 169,666.02-233,988.84-129,283.05

Finding the Fourth Proportional to 169,666.02, 233,988.84 and 129,283.05

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Solution

The fourth proportional to 169,666.02, 233,988.84 and 129,283.05 is: 178,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,666.02 : 233,988.84 = 129,283.05 : x
  2. Step 2: Convert to fraction form
    169,666.02/233,988.84 = 129,283.05/x
  3. Step 3: Cross multiply
    169,666.02x = 233,988.84 × 129,283.05
  4. Step 4: Simplify right side
    169,666.02x = 30,250,790,901.16
  5. Step 5: Solve for x
    x = 30,250,790,901.16/169,666.02
  6. Step 6: Final answer
    x = 178,296.11

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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.