Home / 112,297.48-154,952.86-64,541.60

Finding the Fourth Proportional to 112,297.48, 154,952.86 and 64,541.60

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Solution

The fourth proportional to 112,297.48, 154,952.86 and 64,541.60 is: 89,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,297.48 : 154,952.86 = 64,541.60 : x
  2. Step 2: Convert to fraction form
    112,297.48/154,952.86 = 64,541.60/x
  3. Step 3: Cross multiply
    112,297.48x = 154,952.86 × 64,541.60
  4. Step 4: Simplify right side
    112,297.48x = 10,000,905,508.98
  5. Step 5: Solve for x
    x = 10,000,905,508.98/112,297.48
  6. Step 6: Final answer
    x = 89,057.26

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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.