Home / 114,726.84-158,235.30-100,555.08

Finding the Fourth Proportional to 114,726.84, 158,235.30 and 100,555.08

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Solution

The fourth proportional to 114,726.84, 158,235.30 and 100,555.08 is: 138,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,726.84 : 158,235.30 = 100,555.08 : x
  2. Step 2: Convert to fraction form
    114,726.84/158,235.30 = 100,555.08/x
  3. Step 3: Cross multiply
    114,726.84x = 158,235.30 × 100,555.08
  4. Step 4: Simplify right side
    114,726.84x = 15,911,363,250.32
  5. Step 5: Solve for x
    x = 15,911,363,250.32/114,726.84
  6. Step 6: Final answer
    x = 138,689.11

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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.