Home / 170,239.04-255,240.08-75,417.76

Finding the Fourth Proportional to 170,239.04, 255,240.08 and 75,417.76

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Solution

The fourth proportional to 170,239.04, 255,240.08 and 75,417.76 is: 113,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,239.04 : 255,240.08 = 75,417.76 : x
  2. Step 2: Convert to fraction form
    170,239.04/255,240.08 = 75,417.76/x
  3. Step 3: Cross multiply
    170,239.04x = 255,240.08 × 75,417.76
  4. Step 4: Simplify right side
    170,239.04x = 19,249,635,095.82
  5. Step 5: Solve for x
    x = 19,249,635,095.82/170,239.04
  6. Step 6: Final answer
    x = 113,074.15

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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.