Home / 210,210.48-290,088.88-114,715.08

Finding the Fourth Proportional to 210,210.48, 290,088.88 and 114,715.08

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Solution

The fourth proportional to 210,210.48, 290,088.88 and 114,715.08 is: 158,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,210.48 : 290,088.88 = 114,715.08 : x
  2. Step 2: Convert to fraction form
    210,210.48/290,088.88 = 114,715.08/x
  3. Step 3: Cross multiply
    210,210.48x = 290,088.88 × 114,715.08
  4. Step 4: Simplify right side
    210,210.48x = 33,277,569,076.31
  5. Step 5: Solve for x
    x = 33,277,569,076.31/210,210.48
  6. Step 6: Final answer
    x = 158,305.95

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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.