Home / 112,014.32-154,578.56-64,275.18

Finding the Fourth Proportional to 112,014.32, 154,578.56 and 64,275.18

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Solution

The fourth proportional to 112,014.32, 154,578.56 and 64,275.18 is: 88,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.32 : 154,578.56 = 64,275.18 : x
  2. Step 2: Convert to fraction form
    112,014.32/154,578.56 = 64,275.18/x
  3. Step 3: Cross multiply
    112,014.32x = 154,578.56 × 64,275.18
  4. Step 4: Simplify right side
    112,014.32x = 9,935,564,768.14
  5. Step 5: Solve for x
    x = 9,935,564,768.14/112,014.32
  6. Step 6: Final answer
    x = 88,699.06

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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.