Home / 170,221.79-255,332.69-51,892.11

Finding the Fourth Proportional to 170,221.79, 255,332.69 and 51,892.11

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Solution

The fourth proportional to 170,221.79, 255,332.69 and 51,892.11 is: 77,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,221.79 : 255,332.69 = 51,892.11 : x
  2. Step 2: Convert to fraction form
    170,221.79/255,332.69 = 51,892.11/x
  3. Step 3: Cross multiply
    170,221.79x = 255,332.69 × 51,892.11
  4. Step 4: Simplify right side
    170,221.79x = 13,249,752,165.81
  5. Step 5: Solve for x
    x = 13,249,752,165.81/170,221.79
  6. Step 6: Final answer
    x = 77,838.17

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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.