Home / 113,475.84-170,156.80-66,106.24

Finding the Fourth Proportional to 113,475.84, 170,156.80 and 66,106.24

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Solution

The fourth proportional to 113,475.84, 170,156.80 and 66,106.24 is: 99,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,475.84 : 170,156.80 = 66,106.24 : x
  2. Step 2: Convert to fraction form
    113,475.84/170,156.80 = 66,106.24/x
  3. Step 3: Cross multiply
    113,475.84x = 170,156.80 × 66,106.24
  4. Step 4: Simplify right side
    113,475.84x = 11,248,426,258.43
  5. Step 5: Solve for x
    x = 11,248,426,258.43/113,475.84
  6. Step 6: Final answer
    x = 99,126.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.