Home / 147,313.69-220,970.53-42,132.66

Finding the Fourth Proportional to 147,313.69, 220,970.53 and 42,132.66

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Solution

The fourth proportional to 147,313.69, 220,970.53 and 42,132.66 is: 63,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,313.69 : 220,970.53 = 42,132.66 : x
  2. Step 2: Convert to fraction form
    147,313.69/220,970.53 = 42,132.66/x
  3. Step 3: Cross multiply
    147,313.69x = 220,970.53 × 42,132.66
  4. Step 4: Simplify right side
    147,313.69x = 9,310,075,434.54
  5. Step 5: Solve for x
    x = 9,310,075,434.54/147,313.69
  6. Step 6: Final answer
    x = 63,198.98

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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.