Home / 177,792.13-245,143.49-143,695.18

Finding the Fourth Proportional to 177,792.13, 245,143.49 and 143,695.18

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Solution

The fourth proportional to 177,792.13, 245,143.49 and 143,695.18 is: 198,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,792.13 : 245,143.49 = 143,695.18 : x
  2. Step 2: Convert to fraction form
    177,792.13/245,143.49 = 143,695.18/x
  3. Step 3: Cross multiply
    177,792.13x = 245,143.49 × 143,695.18
  4. Step 4: Simplify right side
    177,792.13x = 35,225,937,667.76
  5. Step 5: Solve for x
    x = 35,225,937,667.76/177,792.13
  6. Step 6: Final answer
    x = 198,129.91

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1.5x scale

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.