Home / 127,792.32-176,354.56-70,433.68

Finding the Fourth Proportional to 127,792.32, 176,354.56 and 70,433.68

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Solution

The fourth proportional to 127,792.32, 176,354.56 and 70,433.68 is: 97,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,792.32 : 176,354.56 = 70,433.68 : x
  2. Step 2: Convert to fraction form
    127,792.32/176,354.56 = 70,433.68/x
  3. Step 3: Cross multiply
    127,792.32x = 176,354.56 × 70,433.68
  4. Step 4: Simplify right side
    127,792.32x = 12,421,300,645.58
  5. Step 5: Solve for x
    x = 12,421,300,645.58/127,792.32
  6. Step 6: Final answer
    x = 97,199.12

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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.