Home / 145,268.03-217,924.59-74,152.16

Finding the Fourth Proportional to 145,268.03, 217,924.59 and 74,152.16

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Solution

The fourth proportional to 145,268.03, 217,924.59 and 74,152.16 is: 111,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,268.03 : 217,924.59 = 74,152.16 : x
  2. Step 2: Convert to fraction form
    145,268.03/217,924.59 = 74,152.16/x
  3. Step 3: Cross multiply
    145,268.03x = 217,924.59 × 74,152.16
  4. Step 4: Simplify right side
    145,268.03x = 16,159,579,071.28
  5. Step 5: Solve for x
    x = 16,159,579,071.28/145,268.03
  6. Step 6: Final answer
    x = 111,239.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.