Home / 190,206.84-262,482.22-105,322.08

Finding the Fourth Proportional to 190,206.84, 262,482.22 and 105,322.08

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Solution

The fourth proportional to 190,206.84, 262,482.22 and 105,322.08 is: 145,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,206.84 : 262,482.22 = 105,322.08 : x
  2. Step 2: Convert to fraction form
    190,206.84/262,482.22 = 105,322.08/x
  3. Step 3: Cross multiply
    190,206.84x = 262,482.22 × 105,322.08
  4. Step 4: Simplify right side
    190,206.84x = 27,645,173,373.42
  5. Step 5: Solve for x
    x = 27,645,173,373.42/190,206.84
  6. Step 6: Final answer
    x = 145,342.69

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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.