Home / 282,210.48-423,267-79,820.72

Finding the Fourth Proportional to 282,210.48, 423,267 and 79,820.72

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Solution

The fourth proportional to 282,210.48, 423,267 and 79,820.72 is: 119,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,210.48 : 423,267 = 79,820.72 : x
  2. Step 2: Convert to fraction form
    282,210.48/423,267 = 79,820.72/x
  3. Step 3: Cross multiply
    282,210.48x = 423,267 × 79,820.72
  4. Step 4: Simplify right side
    282,210.48x = 33,785,476,692.24
  5. Step 5: Solve for x
    x = 33,785,476,692.24/282,210.48
  6. Step 6: Final answer
    x = 119,717.30

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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.