Home / 291,573.14-402,233.36-170,639.51

Finding the Fourth Proportional to 291,573.14, 402,233.36 and 170,639.51

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Solution

The fourth proportional to 291,573.14, 402,233.36 and 170,639.51 is: 235,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,573.14 : 402,233.36 = 170,639.51 : x
  2. Step 2: Convert to fraction form
    291,573.14/402,233.36 = 170,639.51/x
  3. Step 3: Cross multiply
    291,573.14x = 402,233.36 × 170,639.51
  4. Step 4: Simplify right side
    291,573.14x = 68,636,900,591.69
  5. Step 5: Solve for x
    x = 68,636,900,591.69/291,573.14
  6. Step 6: Final answer
    x = 235,402.01

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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.