Home / 152,368.51-210,198.75-98,670.82

Finding the Fourth Proportional to 152,368.51, 210,198.75 and 98,670.82

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Solution

The fourth proportional to 152,368.51, 210,198.75 and 98,670.82 is: 136,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,368.51 : 210,198.75 = 98,670.82 : x
  2. Step 2: Convert to fraction form
    152,368.51/210,198.75 = 98,670.82/x
  3. Step 3: Cross multiply
    152,368.51x = 210,198.75 × 98,670.82
  4. Step 4: Simplify right side
    152,368.51x = 20,740,483,025.48
  5. Step 5: Solve for x
    x = 20,740,483,025.48/152,368.51
  6. Step 6: Final answer
    x = 136,120.53

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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.