Home / 282,962.38-390,480.42-160,477.24

Finding the Fourth Proportional to 282,962.38, 390,480.42 and 160,477.24

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Solution

The fourth proportional to 282,962.38, 390,480.42 and 160,477.24 is: 221,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,962.38 : 390,480.42 = 160,477.24 : x
  2. Step 2: Convert to fraction form
    282,962.38/390,480.42 = 160,477.24/x
  3. Step 3: Cross multiply
    282,962.38x = 390,480.42 × 160,477.24
  4. Step 4: Simplify right side
    282,962.38x = 62,663,220,075.64
  5. Step 5: Solve for x
    x = 62,663,220,075.64/282,962.38
  6. Step 6: Final answer
    x = 221,454.24

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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.