Home / 180,812.68-249,725.76-123,353.34

Finding the Fourth Proportional to 180,812.68, 249,725.76 and 123,353.34

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Solution

The fourth proportional to 180,812.68, 249,725.76 and 123,353.34 is: 170,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,812.68 : 249,725.76 = 123,353.34 : x
  2. Step 2: Convert to fraction form
    180,812.68/249,725.76 = 123,353.34/x
  3. Step 3: Cross multiply
    180,812.68x = 249,725.76 × 123,353.34
  4. Step 4: Simplify right side
    180,812.68x = 30,804,506,580.04
  5. Step 5: Solve for x
    x = 30,804,506,580.04/180,812.68
  6. Step 6: Final answer
    x = 170,366.96

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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.