Home / 210,085.04-315,032.76-60,291.32

Finding the Fourth Proportional to 210,085.04, 315,032.76 and 60,291.32

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Solution

The fourth proportional to 210,085.04, 315,032.76 and 60,291.32 is: 90,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,085.04 : 315,032.76 = 60,291.32 : x
  2. Step 2: Convert to fraction form
    210,085.04/315,032.76 = 60,291.32/x
  3. Step 3: Cross multiply
    210,085.04x = 315,032.76 × 60,291.32
  4. Step 4: Simplify right side
    210,085.04x = 18,993,740,943.64
  5. Step 5: Solve for x
    x = 18,993,740,943.64/210,085.04
  6. Step 6: Final answer
    x = 90,409.77

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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.