Home / 112,656.01-155,465.43-70,214.50

Finding the Fourth Proportional to 112,656.01, 155,465.43 and 70,214.50

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Solution

The fourth proportional to 112,656.01, 155,465.43 and 70,214.50 is: 96,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,656.01 : 155,465.43 = 70,214.50 : x
  2. Step 2: Convert to fraction form
    112,656.01/155,465.43 = 70,214.50/x
  3. Step 3: Cross multiply
    112,656.01x = 155,465.43 × 70,214.50
  4. Step 4: Simplify right side
    112,656.01x = 10,915,927,083.66
  5. Step 5: Solve for x
    x = 10,915,927,083.66/112,656.01
  6. Step 6: Final answer
    x = 96,896.10

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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.