Home / 297,437.28-446,155.91-87,075.22

Finding the Fourth Proportional to 297,437.28, 446,155.91 and 87,075.22

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Solution

The fourth proportional to 297,437.28, 446,155.91 and 87,075.22 is: 130,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,437.28 : 446,155.91 = 87,075.22 : x
  2. Step 2: Convert to fraction form
    297,437.28/446,155.91 = 87,075.22/x
  3. Step 3: Cross multiply
    297,437.28x = 446,155.91 × 87,075.22
  4. Step 4: Simplify right side
    297,437.28x = 38,849,124,017.55
  5. Step 5: Solve for x
    x = 38,849,124,017.55/297,437.28
  6. Step 6: Final answer
    x = 130,612.83

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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.