Home / 177,598.19-245,155.64-109,642.64

Finding the Fourth Proportional to 177,598.19, 245,155.64 and 109,642.64

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Solution

The fourth proportional to 177,598.19, 245,155.64 and 109,642.64 is: 151,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,598.19 : 245,155.64 = 109,642.64 : x
  2. Step 2: Convert to fraction form
    177,598.19/245,155.64 = 109,642.64/x
  3. Step 3: Cross multiply
    177,598.19x = 245,155.64 × 109,642.64
  4. Step 4: Simplify right side
    177,598.19x = 26,879,509,806.50
  5. Step 5: Solve for x
    x = 26,879,509,806.50/177,598.19
  6. Step 6: Final answer
    x = 151,350.13

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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.