Home / 115,152.17-172,597.23-70,074.11

Finding the Fourth Proportional to 115,152.17, 172,597.23 and 70,074.11

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Solution

The fourth proportional to 115,152.17, 172,597.23 and 70,074.11 is: 105,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,152.17 : 172,597.23 = 70,074.11 : x
  2. Step 2: Convert to fraction form
    115,152.17/172,597.23 = 70,074.11/x
  3. Step 3: Cross multiply
    115,152.17x = 172,597.23 × 70,074.11
  4. Step 4: Simplify right side
    115,152.17x = 12,094,596,067.36
  5. Step 5: Solve for x
    x = 12,094,596,067.36/115,152.17
  6. Step 6: Final answer
    x = 105,031.42

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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.