Home / 341,317.86-512,205.33-141,638.45

Finding the Fourth Proportional to 341,317.86, 512,205.33 and 141,638.45

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Solution

The fourth proportional to 341,317.86, 512,205.33 and 141,638.45 is: 212,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,317.86 : 512,205.33 = 141,638.45 : x
  2. Step 2: Convert to fraction form
    341,317.86/512,205.33 = 141,638.45/x
  3. Step 3: Cross multiply
    341,317.86x = 512,205.33 × 141,638.45
  4. Step 4: Simplify right side
    341,317.86x = 72,547,966,461.91
  5. Step 5: Solve for x
    x = 72,547,966,461.91/341,317.86
  6. Step 6: Final answer
    x = 212,552.51

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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.