Home / 249,899.60-374,868.84-72,409.16

Finding the Fourth Proportional to 249,899.60, 374,868.84 and 72,409.16

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Solution

The fourth proportional to 249,899.60, 374,868.84 and 72,409.16 is: 108,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,899.60 : 374,868.84 = 72,409.16 : x
  2. Step 2: Convert to fraction form
    249,899.60/374,868.84 = 72,409.16/x
  3. Step 3: Cross multiply
    249,899.60x = 374,868.84 × 72,409.16
  4. Step 4: Simplify right side
    249,899.60x = 27,143,937,814.57
  5. Step 5: Solve for x
    x = 27,143,937,814.57/249,899.60
  6. Step 6: Final answer
    x = 108,619.37

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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.