Home / 98,176.32-135,483.84-57,364.20

Finding the Fourth Proportional to 98,176.32, 135,483.84 and 57,364.20

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Solution

The fourth proportional to 98,176.32, 135,483.84 and 57,364.20 is: 79,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,176.32 : 135,483.84 = 57,364.20 : x
  2. Step 2: Convert to fraction form
    98,176.32/135,483.84 = 57,364.20/x
  3. Step 3: Cross multiply
    98,176.32x = 135,483.84 × 57,364.20
  4. Step 4: Simplify right side
    98,176.32x = 7,771,922,094.53
  5. Step 5: Solve for x
    x = 7,771,922,094.53/98,176.32
  6. Step 6: Final answer
    x = 79,162.90

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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.