Home / 346,539.18-519,808.42-130,438.27

Finding the Fourth Proportional to 346,539.18, 519,808.42 and 130,438.27

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Solution

The fourth proportional to 346,539.18, 519,808.42 and 130,438.27 is: 195,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,539.18 : 519,808.42 = 130,438.27 : x
  2. Step 2: Convert to fraction form
    346,539.18/519,808.42 = 130,438.27/x
  3. Step 3: Cross multiply
    346,539.18x = 519,808.42 × 130,438.27
  4. Step 4: Simplify right side
    346,539.18x = 67,802,907,785.00
  5. Step 5: Solve for x
    x = 67,802,907,785.00/346,539.18
  6. Step 6: Final answer
    x = 195,657.26

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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.