Home / 153,869.40-230,573.70-130,368.60

Finding the Fourth Proportional to 153,869.40, 230,573.70 and 130,368.60

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Solution

The fourth proportional to 153,869.40, 230,573.70 and 130,368.60 is: 195,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,869.40 : 230,573.70 = 130,368.60 : x
  2. Step 2: Convert to fraction form
    153,869.40/230,573.70 = 130,368.60/x
  3. Step 3: Cross multiply
    153,869.40x = 230,573.70 × 130,368.60
  4. Step 4: Simplify right side
    153,869.40x = 30,059,570,465.82
  5. Step 5: Solve for x
    x = 30,059,570,465.82/153,869.40
  6. Step 6: Final answer
    x = 195,357.69

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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.