Home / 346,926.51-478,759.38-193,970.16

Finding the Fourth Proportional to 346,926.51, 478,759.38 and 193,970.16

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Solution

The fourth proportional to 346,926.51, 478,759.38 and 193,970.16 is: 267,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,926.51 : 478,759.38 = 193,970.16 : x
  2. Step 2: Convert to fraction form
    346,926.51/478,759.38 = 193,970.16/x
  3. Step 3: Cross multiply
    346,926.51x = 478,759.38 × 193,970.16
  4. Step 4: Simplify right side
    346,926.51x = 92,865,033,540.10
  5. Step 5: Solve for x
    x = 92,865,033,540.10/346,926.51
  6. Step 6: Final answer
    x = 267,679.27

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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.