Home / 180,541.22-249,177.21-105,134.18

Finding the Fourth Proportional to 180,541.22, 249,177.21 and 105,134.18

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Solution

The fourth proportional to 180,541.22, 249,177.21 and 105,134.18 is: 145,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,541.22 : 249,177.21 = 105,134.18 : x
  2. Step 2: Convert to fraction form
    180,541.22/249,177.21 = 105,134.18/x
  3. Step 3: Cross multiply
    180,541.22x = 249,177.21 × 105,134.18
  4. Step 4: Simplify right side
    180,541.22x = 26,197,041,648.04
  5. Step 5: Solve for x
    x = 26,197,041,648.04/180,541.22
  6. Step 6: Final answer
    x = 145,102.83

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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.