Home / 156,740.94-235,111.05-56,901.06

Finding the Fourth Proportional to 156,740.94, 235,111.05 and 56,901.06

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Solution

The fourth proportional to 156,740.94, 235,111.05 and 56,901.06 is: 85,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.94 : 235,111.05 = 56,901.06 : x
  2. Step 2: Convert to fraction form
    156,740.94/235,111.05 = 56,901.06/x
  3. Step 3: Cross multiply
    156,740.94x = 235,111.05 × 56,901.06
  4. Step 4: Simplify right side
    156,740.94x = 13,378,067,962.71
  5. Step 5: Solve for x
    x = 13,378,067,962.71/156,740.94
  6. Step 6: Final answer
    x = 85,351.46

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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.