Home / 119,331.84-164,681.52-65,614.08

Finding the Fourth Proportional to 119,331.84, 164,681.52 and 65,614.08

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Solution

The fourth proportional to 119,331.84, 164,681.52 and 65,614.08 is: 90,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,331.84 : 164,681.52 = 65,614.08 : x
  2. Step 2: Convert to fraction form
    119,331.84/164,681.52 = 65,614.08/x
  3. Step 3: Cross multiply
    119,331.84x = 164,681.52 × 65,614.08
  4. Step 4: Simplify right side
    119,331.84x = 10,805,426,427.80
  5. Step 5: Solve for x
    x = 10,805,426,427.80/119,331.84
  6. Step 6: Final answer
    x = 90,549.40

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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.