Home / 160,038.43-220,855.35-88,420.10

Finding the Fourth Proportional to 160,038.43, 220,855.35 and 88,420.10

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Solution

The fourth proportional to 160,038.43, 220,855.35 and 88,420.10 is: 122,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,038.43 : 220,855.35 = 88,420.10 : x
  2. Step 2: Convert to fraction form
    160,038.43/220,855.35 = 88,420.10/x
  3. Step 3: Cross multiply
    160,038.43x = 220,855.35 × 88,420.10
  4. Step 4: Simplify right side
    160,038.43x = 19,528,051,580.40
  5. Step 5: Solve for x
    x = 19,528,051,580.40/160,038.43
  6. Step 6: Final answer
    x = 122,021.01

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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.