Home / 123,303.63-170,159.22-66,715.02

Finding the Fourth Proportional to 123,303.63, 170,159.22 and 66,715.02

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Solution

The fourth proportional to 123,303.63, 170,159.22 and 66,715.02 is: 92,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,303.63 : 170,159.22 = 66,715.02 : x
  2. Step 2: Convert to fraction form
    123,303.63/170,159.22 = 66,715.02/x
  3. Step 3: Cross multiply
    123,303.63x = 170,159.22 × 66,715.02
  4. Step 4: Simplify right side
    123,303.63x = 11,352,175,765.48
  5. Step 5: Solve for x
    x = 11,352,175,765.48/123,303.63
  6. Step 6: Final answer
    x = 92,066.84

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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.