Home / 156,985.19-235,477.95-57,146.21

Finding the Fourth Proportional to 156,985.19, 235,477.95 and 57,146.21

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Solution

The fourth proportional to 156,985.19, 235,477.95 and 57,146.21 is: 85,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.19 : 235,477.95 = 57,146.21 : x
  2. Step 2: Convert to fraction form
    156,985.19/235,477.95 = 57,146.21/x
  3. Step 3: Cross multiply
    156,985.19x = 235,477.95 × 57,146.21
  4. Step 4: Simplify right side
    156,985.19x = 13,456,672,381.07
  5. Step 5: Solve for x
    x = 13,456,672,381.07/156,985.19
  6. Step 6: Final answer
    x = 85,719.38

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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.