Home / 127,457.32-191,145.06-42,048.98

Finding the Fourth Proportional to 127,457.32, 191,145.06 and 42,048.98

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Solution

The fourth proportional to 127,457.32, 191,145.06 and 42,048.98 is: 63,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,457.32 : 191,145.06 = 42,048.98 : x
  2. Step 2: Convert to fraction form
    127,457.32/191,145.06 = 42,048.98/x
  3. Step 3: Cross multiply
    127,457.32x = 191,145.06 × 42,048.98
  4. Step 4: Simplify right side
    127,457.32x = 8,037,454,805.04
  5. Step 5: Solve for x
    x = 8,037,454,805.04/127,457.32
  6. Step 6: Final answer
    x = 63,059.97

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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.