Home / 160,322.84-221,205.70-103,666.04

Finding the Fourth Proportional to 160,322.84, 221,205.70 and 103,666.04

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Solution

The fourth proportional to 160,322.84, 221,205.70 and 103,666.04 is: 143,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,322.84 : 221,205.70 = 103,666.04 : x
  2. Step 2: Convert to fraction form
    160,322.84/221,205.70 = 103,666.04/x
  3. Step 3: Cross multiply
    160,322.84x = 221,205.70 × 103,666.04
  4. Step 4: Simplify right side
    160,322.84x = 22,931,518,944.43
  5. Step 5: Solve for x
    x = 22,931,518,944.43/160,322.84
  6. Step 6: Final answer
    x = 143,033.39

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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.