Home / 249,099.77-343,804.55-156,008.63

Finding the Fourth Proportional to 249,099.77, 343,804.55 and 156,008.63

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Solution

The fourth proportional to 249,099.77, 343,804.55 and 156,008.63 is: 215,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,099.77 : 343,804.55 = 156,008.63 : x
  2. Step 2: Convert to fraction form
    249,099.77/343,804.55 = 156,008.63/x
  3. Step 3: Cross multiply
    249,099.77x = 343,804.55 × 156,008.63
  4. Step 4: Simplify right side
    249,099.77x = 53,636,478,082.80
  5. Step 5: Solve for x
    x = 53,636,478,082.80/249,099.77
  6. Step 6: Final answer
    x = 215,321.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.