Home / 157,817.04-217,784.00-86,197.32

Finding the Fourth Proportional to 157,817.04, 217,784.00 and 86,197.32

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Solution

The fourth proportional to 157,817.04, 217,784.00 and 86,197.32 is: 118,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,817.04 : 217,784.00 = 86,197.32 : x
  2. Step 2: Convert to fraction form
    157,817.04/217,784.00 = 86,197.32/x
  3. Step 3: Cross multiply
    157,817.04x = 217,784.00 × 86,197.32
  4. Step 4: Simplify right side
    157,817.04x = 18,772,396,707.89
  5. Step 5: Solve for x
    x = 18,772,396,707.89/157,817.04
  6. Step 6: Final answer
    x = 118,950.38

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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.