Home / 153,345.90-211,602.51-113,081.34

Finding the Fourth Proportional to 153,345.90, 211,602.51 and 113,081.34

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Solution

The fourth proportional to 153,345.90, 211,602.51 and 113,081.34 is: 156,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,345.90 : 211,602.51 = 113,081.34 : x
  2. Step 2: Convert to fraction form
    153,345.90/211,602.51 = 113,081.34/x
  3. Step 3: Cross multiply
    153,345.90x = 211,602.51 × 113,081.34
  4. Step 4: Simplify right side
    153,345.90x = 23,928,295,341.76
  5. Step 5: Solve for x
    x = 23,928,295,341.76/153,345.90
  6. Step 6: Final answer
    x = 156,041.31

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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.