Home / 127,938.50-176,554.63-70,581.40

Finding the Fourth Proportional to 127,938.50, 176,554.63 and 70,581.40

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Solution

The fourth proportional to 127,938.50, 176,554.63 and 70,581.40 is: 97,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938.50 : 176,554.63 = 70,581.40 : x
  2. Step 2: Convert to fraction form
    127,938.50/176,554.63 = 70,581.40/x
  3. Step 3: Cross multiply
    127,938.50x = 176,554.63 × 70,581.40
  4. Step 4: Simplify right side
    127,938.50x = 12,461,472,961.88
  5. Step 5: Solve for x
    x = 12,461,472,961.88/127,938.50
  6. Step 6: Final answer
    x = 97,402.06

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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.