Home / 156,573.76-216,070.08-84,955.36

Finding the Fourth Proportional to 156,573.76, 216,070.08 and 84,955.36

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Solution

The fourth proportional to 156,573.76, 216,070.08 and 84,955.36 is: 117,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,573.76 : 216,070.08 = 84,955.36 : x
  2. Step 2: Convert to fraction form
    156,573.76/216,070.08 = 84,955.36/x
  3. Step 3: Cross multiply
    156,573.76x = 216,070.08 × 84,955.36
  4. Step 4: Simplify right side
    156,573.76x = 18,356,311,431.63
  5. Step 5: Solve for x
    x = 18,356,311,431.63/156,573.76
  6. Step 6: Final answer
    x = 117,237.47

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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.