Home / 429,130.36-592,220.10-238,145.32

Finding the Fourth Proportional to 429,130.36, 592,220.10 and 238,145.32

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Solution

The fourth proportional to 429,130.36, 592,220.10 and 238,145.32 is: 328,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,130.36 : 592,220.10 = 238,145.32 : x
  2. Step 2: Convert to fraction form
    429,130.36/592,220.10 = 238,145.32/x
  3. Step 3: Cross multiply
    429,130.36x = 592,220.10 × 238,145.32
  4. Step 4: Simplify right side
    429,130.36x = 141,034,445,224.93
  5. Step 5: Solve for x
    x = 141,034,445,224.93/429,130.36
  6. Step 6: Final answer
    x = 328,651.75

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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.