Home / 348,154.40-521,874.12-198,075.08

Finding the Fourth Proportional to 348,154.40, 521,874.12 and 198,075.08

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Solution

The fourth proportional to 348,154.40, 521,874.12 and 198,075.08 is: 296,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,154.40 : 521,874.12 = 198,075.08 : x
  2. Step 2: Convert to fraction form
    348,154.40/521,874.12 = 198,075.08/x
  3. Step 3: Cross multiply
    348,154.40x = 521,874.12 × 198,075.08
  4. Step 4: Simplify right side
    348,154.40x = 103,370,258,068.93
  5. Step 5: Solve for x
    x = 103,370,258,068.93/348,154.40
  6. Step 6: Final answer
    x = 296,909.24

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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.