Home / 355,155.49-532,549.27-130,457.89

Finding the Fourth Proportional to 355,155.49, 532,549.27 and 130,457.89

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Solution

The fourth proportional to 355,155.49, 532,549.27 and 130,457.89 is: 195,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,155.49 : 532,549.27 = 130,457.89 : x
  2. Step 2: Convert to fraction form
    355,155.49/532,549.27 = 130,457.89/x
  3. Step 3: Cross multiply
    355,155.49x = 532,549.27 × 130,457.89
  4. Step 4: Simplify right side
    355,155.49x = 69,475,254,085.24
  5. Step 5: Solve for x
    x = 69,475,254,085.24/355,155.49
  6. Step 6: Final answer
    x = 195,619.26

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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.