Home / 104,164.27-143,746.92-56,417.63

Finding the Fourth Proportional to 104,164.27, 143,746.92 and 56,417.63

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Solution

The fourth proportional to 104,164.27, 143,746.92 and 56,417.63 is: 77,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,164.27 : 143,746.92 = 56,417.63 : x
  2. Step 2: Convert to fraction form
    104,164.27/143,746.92 = 56,417.63/x
  3. Step 3: Cross multiply
    104,164.27x = 143,746.92 × 56,417.63
  4. Step 4: Simplify right side
    104,164.27x = 8,109,859,827.47
  5. Step 5: Solve for x
    x = 8,109,859,827.47/104,164.27
  6. Step 6: Final answer
    x = 77,856.45

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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.