Home / 130,113.08-179,605.60-84,802.10

Finding the Fourth Proportional to 130,113.08, 179,605.60 and 84,802.10

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Solution

The fourth proportional to 130,113.08, 179,605.60 and 84,802.10 is: 117,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,113.08 : 179,605.60 = 84,802.10 : x
  2. Step 2: Convert to fraction form
    130,113.08/179,605.60 = 84,802.10/x
  3. Step 3: Cross multiply
    130,113.08x = 179,605.60 × 84,802.10
  4. Step 4: Simplify right side
    130,113.08x = 15,230,932,051.76
  5. Step 5: Solve for x
    x = 15,230,932,051.76/130,113.08
  6. Step 6: Final answer
    x = 117,059.19

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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.