Home / 143,357.04-215,088.12-49,889.52

Finding the Fourth Proportional to 143,357.04, 215,088.12 and 49,889.52

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Solution

The fourth proportional to 143,357.04, 215,088.12 and 49,889.52 is: 74,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,357.04 : 215,088.12 = 49,889.52 : x
  2. Step 2: Convert to fraction form
    143,357.04/215,088.12 = 49,889.52/x
  3. Step 3: Cross multiply
    143,357.04x = 215,088.12 × 49,889.52
  4. Step 4: Simplify right side
    143,357.04x = 10,730,643,064.50
  5. Step 5: Solve for x
    x = 10,730,643,064.50/143,357.04
  6. Step 6: Final answer
    x = 74,852.57

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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.