Home / 115,070.14-158,845.89-77,366.26

Finding the Fourth Proportional to 115,070.14, 158,845.89 and 77,366.26

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Solution

The fourth proportional to 115,070.14, 158,845.89 and 77,366.26 is: 106,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,070.14 : 158,845.89 = 77,366.26 : x
  2. Step 2: Convert to fraction form
    115,070.14/158,845.89 = 77,366.26/x
  3. Step 3: Cross multiply
    115,070.14x = 158,845.89 × 77,366.26
  4. Step 4: Simplify right side
    115,070.14x = 12,289,312,425.67
  5. Step 5: Solve for x
    x = 12,289,312,425.67/115,070.14
  6. Step 6: Final answer
    x = 106,798.45

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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.