Home / 142,050.41-213,038.76-42,187.13

Finding the Fourth Proportional to 142,050.41, 213,038.76 and 42,187.13

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Solution

The fourth proportional to 142,050.41, 213,038.76 and 42,187.13 is: 63,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,050.41 : 213,038.76 = 42,187.13 : x
  2. Step 2: Convert to fraction form
    142,050.41/213,038.76 = 42,187.13/x
  3. Step 3: Cross multiply
    142,050.41x = 213,038.76 × 42,187.13
  4. Step 4: Simplify right side
    142,050.41x = 8,987,493,863.16
  5. Step 5: Solve for x
    x = 8,987,493,863.16/142,050.41
  6. Step 6: Final answer
    x = 63,269.75

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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.