Home / 186,731.60-279,805.80-156,988.40

Finding the Fourth Proportional to 186,731.60, 279,805.80 and 156,988.40

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Solution

The fourth proportional to 186,731.60, 279,805.80 and 156,988.40 is: 235,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,731.60 : 279,805.80 = 156,988.40 : x
  2. Step 2: Convert to fraction form
    186,731.60/279,805.80 = 156,988.40/x
  3. Step 3: Cross multiply
    186,731.60x = 279,805.80 × 156,988.40
  4. Step 4: Simplify right side
    186,731.60x = 43,926,264,852.72
  5. Step 5: Solve for x
    x = 43,926,264,852.72/186,731.60
  6. Step 6: Final answer
    x = 235,237.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.