Home / 151,030.04-208,426.80-83,052.20

Finding the Fourth Proportional to 151,030.04, 208,426.80 and 83,052.20

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Solution

The fourth proportional to 151,030.04, 208,426.80 and 83,052.20 is: 114,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,030.04 : 208,426.80 = 83,052.20 : x
  2. Step 2: Convert to fraction form
    151,030.04/208,426.80 = 83,052.20/x
  3. Step 3: Cross multiply
    151,030.04x = 208,426.80 × 83,052.20
  4. Step 4: Simplify right side
    151,030.04x = 17,310,304,278.96
  5. Step 5: Solve for x
    x = 17,310,304,278.96/151,030.04
  6. Step 6: Final answer
    x = 114,614.98

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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.