Home / 292,050.68-438,130.02-92,421.32

Finding the Fourth Proportional to 292,050.68, 438,130.02 and 92,421.32

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Solution

The fourth proportional to 292,050.68, 438,130.02 and 92,421.32 is: 138,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,050.68 : 438,130.02 = 92,421.32 : x
  2. Step 2: Convert to fraction form
    292,050.68/438,130.02 = 92,421.32/x
  3. Step 3: Cross multiply
    292,050.68x = 438,130.02 × 92,421.32
  4. Step 4: Simplify right side
    292,050.68x = 40,492,554,780.03
  5. Step 5: Solve for x
    x = 40,492,554,780.03/292,050.68
  6. Step 6: Final answer
    x = 138,649.07

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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.