Home / 153,055.20-229,615.20-46,430.40

Finding the Fourth Proportional to 153,055.20, 229,615.20 and 46,430.40

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Solution

The fourth proportional to 153,055.20, 229,615.20 and 46,430.40 is: 69,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,055.20 : 229,615.20 = 46,430.40 : x
  2. Step 2: Convert to fraction form
    153,055.20/229,615.20 = 46,430.40/x
  3. Step 3: Cross multiply
    153,055.20x = 229,615.20 × 46,430.40
  4. Step 4: Simplify right side
    153,055.20x = 10,661,125,582.08
  5. Step 5: Solve for x
    x = 10,661,125,582.08/153,055.20
  6. Step 6: Final answer
    x = 69,655.43

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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.