Home / 157,183.68-216,433.14-118,477.74

Finding the Fourth Proportional to 157,183.68, 216,433.14 and 118,477.74

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Solution

The fourth proportional to 157,183.68, 216,433.14 and 118,477.74 is: 163,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,183.68 : 216,433.14 = 118,477.74 : x
  2. Step 2: Convert to fraction form
    157,183.68/216,433.14 = 118,477.74/x
  3. Step 3: Cross multiply
    157,183.68x = 216,433.14 × 118,477.74
  4. Step 4: Simplify right side
    157,183.68x = 25,642,509,655.64
  5. Step 5: Solve for x
    x = 25,642,509,655.64/157,183.68
  6. Step 6: Final answer
    x = 163,137.22

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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.