Home / 180,529.18-249,144.29-99,964.20

Finding the Fourth Proportional to 180,529.18, 249,144.29 and 99,964.20

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Solution

The fourth proportional to 180,529.18, 249,144.29 and 99,964.20 is: 137,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,529.18 : 249,144.29 = 99,964.20 : x
  2. Step 2: Convert to fraction form
    180,529.18/249,144.29 = 99,964.20/x
  3. Step 3: Cross multiply
    180,529.18x = 249,144.29 × 99,964.20
  4. Step 4: Simplify right side
    180,529.18x = 24,905,510,164.76
  5. Step 5: Solve for x
    x = 24,905,510,164.76/180,529.18
  6. Step 6: Final answer
    x = 137,958.36

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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.