Home / 152,365.50-210,194.62-98,667.81

Finding the Fourth Proportional to 152,365.50, 210,194.62 and 98,667.81

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Solution

The fourth proportional to 152,365.50, 210,194.62 and 98,667.81 is: 136,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,365.50 : 210,194.62 = 98,667.81 : x
  2. Step 2: Convert to fraction form
    152,365.50/210,194.62 = 98,667.81/x
  3. Step 3: Cross multiply
    152,365.50x = 210,194.62 × 98,667.81
  4. Step 4: Simplify right side
    152,365.50x = 20,739,442,582.51
  5. Step 5: Solve for x
    x = 20,739,442,582.51/152,365.50
  6. Step 6: Final answer
    x = 136,116.40

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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.