Home / 177,792.03-245,332.85-105,197.15

Finding the Fourth Proportional to 177,792.03, 245,332.85 and 105,197.15

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Solution

The fourth proportional to 177,792.03, 245,332.85 and 105,197.15 is: 145,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,792.03 : 245,332.85 = 105,197.15 : x
  2. Step 2: Convert to fraction form
    177,792.03/245,332.85 = 105,197.15/x
  3. Step 3: Cross multiply
    177,792.03x = 245,332.85 × 105,197.15
  4. Step 4: Simplify right side
    177,792.03x = 25,808,315,920.46
  5. Step 5: Solve for x
    x = 25,808,315,920.46/177,792.03
  6. Step 6: Final answer
    x = 145,160.14

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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.