Home / 114,708.74-158,316.86-66,312.25

Finding the Fourth Proportional to 114,708.74, 158,316.86 and 66,312.25

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Solution

The fourth proportional to 114,708.74, 158,316.86 and 66,312.25 is: 91,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,708.74 : 158,316.86 = 66,312.25 : x
  2. Step 2: Convert to fraction form
    114,708.74/158,316.86 = 66,312.25/x
  3. Step 3: Cross multiply
    114,708.74x = 158,316.86 × 66,312.25
  4. Step 4: Simplify right side
    114,708.74x = 10,498,346,969.52
  5. Step 5: Solve for x
    x = 10,498,346,969.52/114,708.74
  6. Step 6: Final answer
    x = 91,521.77

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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.