Home / 155,147.68-214,036.32-97,752.16

Finding the Fourth Proportional to 155,147.68, 214,036.32 and 97,752.16

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Solution

The fourth proportional to 155,147.68, 214,036.32 and 97,752.16 is: 134,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,147.68 : 214,036.32 = 97,752.16 : x
  2. Step 2: Convert to fraction form
    155,147.68/214,036.32 = 97,752.16/x
  3. Step 3: Cross multiply
    155,147.68x = 214,036.32 × 97,752.16
  4. Step 4: Simplify right side
    155,147.68x = 20,922,512,598.45
  5. Step 5: Solve for x
    x = 20,922,512,598.45/155,147.68
  6. Step 6: Final answer
    x = 134,855.47

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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.