Home / 190,368.42-262,496.05-129,970.77

Finding the Fourth Proportional to 190,368.42, 262,496.05 and 129,970.77

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Solution

The fourth proportional to 190,368.42, 262,496.05 and 129,970.77 is: 179,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,368.42 : 262,496.05 = 129,970.77 : x
  2. Step 2: Convert to fraction form
    190,368.42/262,496.05 = 129,970.77/x
  3. Step 3: Cross multiply
    190,368.42x = 262,496.05 × 129,970.77
  4. Step 4: Simplify right side
    190,368.42x = 34,116,813,740.46
  5. Step 5: Solve for x
    x = 34,116,813,740.46/190,368.42
  6. Step 6: Final answer
    x = 179,214.67

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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.