Home / 130,462.01-178,688.58-122,802.04

Finding the Fourth Proportional to 130,462.01, 178,688.58 and 122,802.04

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Solution

The fourth proportional to 130,462.01, 178,688.58 and 122,802.04 is: 168,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,462.01 : 178,688.58 = 122,802.04 : x
  2. Step 2: Convert to fraction form
    130,462.01/178,688.58 = 122,802.04/x
  3. Step 3: Cross multiply
    130,462.01x = 178,688.58 × 122,802.04
  4. Step 4: Simplify right side
    130,462.01x = 21,943,322,602.32
  5. Step 5: Solve for x
    x = 21,943,322,602.32/130,462.01
  6. Step 6: Final answer
    x = 168,197.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.