Home / 346,257.07-520,298.90-186,451.15

Finding the Fourth Proportional to 346,257.07, 520,298.90 and 186,451.15

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Solution

The fourth proportional to 346,257.07, 520,298.90 and 186,451.15 is: 280,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,257.07 : 520,298.90 = 186,451.15 : x
  2. Step 2: Convert to fraction form
    346,257.07/520,298.90 = 186,451.15/x
  3. Step 3: Cross multiply
    346,257.07x = 520,298.90 × 186,451.15
  4. Step 4: Simplify right side
    346,257.07x = 97,010,329,549.48
  5. Step 5: Solve for x
    x = 97,010,329,549.48/346,257.07
  6. Step 6: Final answer
    x = 280,168.52

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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.