Home / 114,281.04-157,689.09-71,809.50

Finding the Fourth Proportional to 114,281.04, 157,689.09 and 71,809.50

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Solution

The fourth proportional to 114,281.04, 157,689.09 and 71,809.50 is: 99,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,281.04 : 157,689.09 = 71,809.50 : x
  2. Step 2: Convert to fraction form
    114,281.04/157,689.09 = 71,809.50/x
  3. Step 3: Cross multiply
    114,281.04x = 157,689.09 × 71,809.50
  4. Step 4: Simplify right side
    114,281.04x = 11,323,574,708.36
  5. Step 5: Solve for x
    x = 11,323,574,708.36/114,281.04
  6. Step 6: Final answer
    x = 99,085.33

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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.