Home / 180,810.40-249,612.24-140,433.76

Finding the Fourth Proportional to 180,810.40, 249,612.24 and 140,433.76

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Solution

The fourth proportional to 180,810.40, 249,612.24 and 140,433.76 is: 193,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,810.40 : 249,612.24 = 140,433.76 : x
  2. Step 2: Convert to fraction form
    180,810.40/249,612.24 = 140,433.76/x
  3. Step 3: Cross multiply
    180,810.40x = 249,612.24 × 140,433.76
  4. Step 4: Simplify right side
    180,810.40x = 35,053,985,405.22
  5. Step 5: Solve for x
    x = 35,053,985,405.22/180,810.40
  6. Step 6: Final answer
    x = 193,871.51

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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.