Home / 249,971.04-374,948.12-100,171.10

Finding the Fourth Proportional to 249,971.04, 374,948.12 and 100,171.10

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Solution

The fourth proportional to 249,971.04, 374,948.12 and 100,171.10 is: 150,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,971.04 : 374,948.12 = 100,171.10 : x
  2. Step 2: Convert to fraction form
    249,971.04/374,948.12 = 100,171.10/x
  3. Step 3: Cross multiply
    249,971.04x = 374,948.12 × 100,171.10
  4. Step 4: Simplify right side
    249,971.04x = 37,558,966,811.13
  5. Step 5: Solve for x
    x = 37,558,966,811.13/249,971.04
  6. Step 6: Final answer
    x = 150,253.27

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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.