Home / 166,613.10-249,919.65-155,459.40

Finding the Fourth Proportional to 166,613.10, 249,919.65 and 155,459.40

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Solution

The fourth proportional to 166,613.10, 249,919.65 and 155,459.40 is: 233,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,613.10 : 249,919.65 = 155,459.40 : x
  2. Step 2: Convert to fraction form
    166,613.10/249,919.65 = 155,459.40/x
  3. Step 3: Cross multiply
    166,613.10x = 249,919.65 × 155,459.40
  4. Step 4: Simplify right side
    166,613.10x = 38,852,358,837.21
  5. Step 5: Solve for x
    x = 38,852,358,837.21/166,613.10
  6. Step 6: Final answer
    x = 233,189.10

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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.