Home / 346,128.80-519,254.15-118,370.87

Finding the Fourth Proportional to 346,128.80, 519,254.15 and 118,370.87

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Solution

The fourth proportional to 346,128.80, 519,254.15 and 118,370.87 is: 177,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,128.80 : 519,254.15 = 118,370.87 : x
  2. Step 2: Convert to fraction form
    346,128.80/519,254.15 = 118,370.87/x
  3. Step 3: Cross multiply
    346,128.80x = 519,254.15 × 118,370.87
  4. Step 4: Simplify right side
    346,128.80x = 61,464,564,245.69
  5. Step 5: Solve for x
    x = 61,464,564,245.69/346,128.80
  6. Step 6: Final answer
    x = 177,577.15

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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.