Home / 111,417.19-153,705.92-66,097.08

Finding the Fourth Proportional to 111,417.19, 153,705.92 and 66,097.08

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Solution

The fourth proportional to 111,417.19, 153,705.92 and 66,097.08 is: 91,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,417.19 : 153,705.92 = 66,097.08 : x
  2. Step 2: Convert to fraction form
    111,417.19/153,705.92 = 66,097.08/x
  3. Step 3: Cross multiply
    111,417.19x = 153,705.92 × 66,097.08
  4. Step 4: Simplify right side
    111,417.19x = 10,159,512,736.63
  5. Step 5: Solve for x
    x = 10,159,512,736.63/111,417.19
  6. Step 6: Final answer
    x = 91,184.43

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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.