Home / 249,828.10-374,612.55-91,975.30

Finding the Fourth Proportional to 249,828.10, 374,612.55 and 91,975.30

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Solution

The fourth proportional to 249,828.10, 374,612.55 and 91,975.30 is: 137,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,828.10 : 374,612.55 = 91,975.30 : x
  2. Step 2: Convert to fraction form
    249,828.10/374,612.55 = 91,975.30/x
  3. Step 3: Cross multiply
    249,828.10x = 374,612.55 × 91,975.30
  4. Step 4: Simplify right side
    249,828.10x = 34,455,101,670.02
  5. Step 5: Solve for x
    x = 34,455,101,670.02/249,828.10
  6. Step 6: Final answer
    x = 137,915.24

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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.