Home / 151,392.32-208,937.84-83,416.28

Finding the Fourth Proportional to 151,392.32, 208,937.84 and 83,416.28

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Solution

The fourth proportional to 151,392.32, 208,937.84 and 83,416.28 is: 115,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,392.32 : 208,937.84 = 83,416.28 : x
  2. Step 2: Convert to fraction form
    151,392.32/208,937.84 = 83,416.28/x
  3. Step 3: Cross multiply
    151,392.32x = 208,937.84 × 83,416.28
  4. Step 4: Simplify right side
    151,392.32x = 17,428,817,364.04
  5. Step 5: Solve for x
    x = 17,428,817,364.04/151,392.32
  6. Step 6: Final answer
    x = 115,123.52

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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.