Home / 180,438.66-249,000.48-99,869.58

Finding the Fourth Proportional to 180,438.66, 249,000.48 and 99,869.58

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Solution

The fourth proportional to 180,438.66, 249,000.48 and 99,869.58 is: 137,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,438.66 : 249,000.48 = 99,869.58 : x
  2. Step 2: Convert to fraction form
    180,438.66/249,000.48 = 99,869.58/x
  3. Step 3: Cross multiply
    180,438.66x = 249,000.48 × 99,869.58
  4. Step 4: Simplify right side
    180,438.66x = 24,867,573,357.40
  5. Step 5: Solve for x
    x = 24,867,573,357.40/180,438.66
  6. Step 6: Final answer
    x = 137,817.32

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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.