Home / 249,519.64-374,281.08-99,772.51

Finding the Fourth Proportional to 249,519.64, 374,281.08 and 99,772.51

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Solution

The fourth proportional to 249,519.64, 374,281.08 and 99,772.51 is: 149,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,519.64 : 374,281.08 = 99,772.51 : x
  2. Step 2: Convert to fraction form
    249,519.64/374,281.08 = 99,772.51/x
  3. Step 3: Cross multiply
    249,519.64x = 374,281.08 × 99,772.51
  4. Step 4: Simplify right side
    249,519.64x = 37,342,962,797.11
  5. Step 5: Solve for x
    x = 37,342,962,797.11/249,519.64
  6. Step 6: Final answer
    x = 149,659.41

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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.