Home / 163,186.13-245,154.42-115,916.15

Finding the Fourth Proportional to 163,186.13, 245,154.42 and 115,916.15

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Solution

The fourth proportional to 163,186.13, 245,154.42 and 115,916.15 is: 174,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,186.13 : 245,154.42 = 115,916.15 : x
  2. Step 2: Convert to fraction form
    163,186.13/245,154.42 = 115,916.15/x
  3. Step 3: Cross multiply
    163,186.13x = 245,154.42 × 115,916.15
  4. Step 4: Simplify right side
    163,186.13x = 28,417,355,296.11
  5. Step 5: Solve for x
    x = 28,417,355,296.11/163,186.13
  6. Step 6: Final answer
    x = 174,140.76

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1.5x scale

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.