Home / 180,809.19-249,720.93-123,349.83

Finding the Fourth Proportional to 180,809.19, 249,720.93 and 123,349.83

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Solution

The fourth proportional to 180,809.19, 249,720.93 and 123,349.83 is: 170,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,809.19 : 249,720.93 = 123,349.83 : x
  2. Step 2: Convert to fraction form
    180,809.19/249,720.93 = 123,349.83/x
  3. Step 3: Cross multiply
    180,809.19x = 249,720.93 × 123,349.83
  4. Step 4: Simplify right side
    180,809.19x = 30,803,034,262.94
  5. Step 5: Solve for x
    x = 30,803,034,262.94/180,809.19
  6. Step 6: Final answer
    x = 170,362.11

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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.