Home / 160,384.50-221,075.64-126,339.12

Finding the Fourth Proportional to 160,384.50, 221,075.64 and 126,339.12

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Solution

The fourth proportional to 160,384.50, 221,075.64 and 126,339.12 is: 174,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,384.50 : 221,075.64 = 126,339.12 : x
  2. Step 2: Convert to fraction form
    160,384.50/221,075.64 = 126,339.12/x
  3. Step 3: Cross multiply
    160,384.50x = 221,075.64 × 126,339.12
  4. Step 4: Simplify right side
    160,384.50x = 27,930,501,811.04
  5. Step 5: Solve for x
    x = 27,930,501,811.04/160,384.50
  6. Step 6: Final answer
    x = 174,147.14

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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.