Home / 160,268.16-221,222.64-112,533.36

Finding the Fourth Proportional to 160,268.16, 221,222.64 and 112,533.36

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Solution

The fourth proportional to 160,268.16, 221,222.64 and 112,533.36 is: 155,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,268.16 : 221,222.64 = 112,533.36 : x
  2. Step 2: Convert to fraction form
    160,268.16/221,222.64 = 112,533.36/x
  3. Step 3: Cross multiply
    160,268.16x = 221,222.64 × 112,533.36
  4. Step 4: Simplify right side
    160,268.16x = 24,894,926,987.27
  5. Step 5: Solve for x
    x = 24,894,926,987.27/160,268.16
  6. Step 6: Final answer
    x = 155,332.96

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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.