Home / 177,862.32-245,532.72-105,242.38

Finding the Fourth Proportional to 177,862.32, 245,532.72 and 105,242.38

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Solution

The fourth proportional to 177,862.32, 245,532.72 and 105,242.38 is: 145,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,862.32 : 245,532.72 = 105,242.38 : x
  2. Step 2: Convert to fraction form
    177,862.32/245,532.72 = 105,242.38/x
  3. Step 3: Cross multiply
    177,862.32x = 245,532.72 × 105,242.38
  4. Step 4: Simplify right side
    177,862.32x = 25,840,447,820.67
  5. Step 5: Solve for x
    x = 25,840,447,820.67/177,862.32
  6. Step 6: Final answer
    x = 145,283.43

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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.