Home / 346,412.20-519,666.90-109,730.20

Finding the Fourth Proportional to 346,412.20, 519,666.90 and 109,730.20

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Solution

The fourth proportional to 346,412.20, 519,666.90 and 109,730.20 is: 164,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,412.20 : 519,666.90 = 109,730.20 : x
  2. Step 2: Convert to fraction form
    346,412.20/519,666.90 = 109,730.20/x
  3. Step 3: Cross multiply
    346,412.20x = 519,666.90 × 109,730.20
  4. Step 4: Simplify right side
    346,412.20x = 57,023,152,870.38
  5. Step 5: Solve for x
    x = 57,023,152,870.38/346,412.20
  6. Step 6: Final answer
    x = 164,610.69

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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.