Home / 166,101.60-249,152.40-66,277.20

Finding the Fourth Proportional to 166,101.60, 249,152.40 and 66,277.20

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Solution

The fourth proportional to 166,101.60, 249,152.40 and 66,277.20 is: 99,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,101.60 : 249,152.40 = 66,277.20 : x
  2. Step 2: Convert to fraction form
    166,101.60/249,152.40 = 66,277.20/x
  3. Step 3: Cross multiply
    166,101.60x = 249,152.40 × 66,277.20
  4. Step 4: Simplify right side
    166,101.60x = 16,513,123,445.28
  5. Step 5: Solve for x
    x = 16,513,123,445.28/166,101.60
  6. Step 6: Final answer
    x = 99,415.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.