Home / 283,632.02-391,410.06-156,307.61

Finding the Fourth Proportional to 283,632.02, 391,410.06 and 156,307.61

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Solution

The fourth proportional to 283,632.02, 391,410.06 and 156,307.61 is: 215,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,632.02 : 391,410.06 = 156,307.61 : x
  2. Step 2: Convert to fraction form
    283,632.02/391,410.06 = 156,307.61/x
  3. Step 3: Cross multiply
    283,632.02x = 391,410.06 × 156,307.61
  4. Step 4: Simplify right side
    283,632.02x = 61,180,369,051.51
  5. Step 5: Solve for x
    x = 61,180,369,051.51/283,632.02
  6. Step 6: Final answer
    x = 215,703.33

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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.